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Message-ID: <202305042204.HYTVHf2k-lkp@intel.com>
Date:   Thu, 4 May 2023 23:05:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>,
        "Srivatsa S. Bhat (VMware)" <srivatsa@...il.mit.edu>,
        Juergen Gross <jgross@...e.com>
Subject: vmlinux.o: warning: objtool: default_idle+0x24: call to
 ftrace_likely_update() leaves .noinstr.text section

Hi Peter,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1a5304fecee523060f26e2778d9d8e33c0562df3
commit: 10a099405fdf96c3205ae775abf19fcd301b31b4 cpuidle, xenpv: Make more PARAVIRT_XXL noinstr clean
date:   4 months ago
config: x86_64-randconfig-a011-20220124 (https://download.01.org/0day-ci/archive/20230504/202305042204.HYTVHf2k-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10a099405fdf96c3205ae775abf19fcd301b31b4
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 10a099405fdf96c3205ae775abf19fcd301b31b4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305042204.HYTVHf2k-lkp@intel.com/

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: __rdgsbase_inactive+0x25: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __wrgsbase_inactive+0x2a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_double_fault+0x3c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret+0x7e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_debug+0x33: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi+0x4c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler+0x36: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_check_crashing_cpu+0x11: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check+0x57: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_machine_check+0x43: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_machine_check+0x41: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_page_fault+0x32: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_enter+0x50: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_exit+0x44: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode+0x38: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x38: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x38: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: context_tracking_recursion_enter+0x30: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __ct_user_exit+0x47: call to __kasan_check_write() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __ct_user_enter+0x34: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: tdx_safe_halt+0x2d: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: default_idle+0x24: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mwait_idle+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: acpi_processor_ffh_cstate_enter+0xbe: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: cpu_idle_poll.isra.0+0x7d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: intel_idle+0xd0: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: intel_idle_irq+0x2e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: intel_idle_s2idle+0xe0: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: intel_idle_xstate+0xd5: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: intel_idle_ibrs+0x17: call to sched_smt_active() leaves .noinstr.text section


objdump-func vmlinux.o default_idle:
0000 0000000000000110 <default_idle>:
0000  110:	f3 0f 1e fa          	endbr64
0004  114:	55                   	push   %rbp
0005  115:	31 f6                	xor    %esi,%esi
0007  117:	48 c7 c7 00 00 00 00 	mov    $0x0,%rdi	11a: R_X86_64_32S	_ftrace_annotated_branch+0x13fe0
000e  11e:	48 89 e5             	mov    %rsp,%rbp
0011  121:	53                   	push   %rbx
0012  122:	48 8b 1d 00 00 00 00 	mov    0x0(%rip),%rbx        # 129 <default_idle+0x19>	125: R_X86_64_PC32	pv_ops+0x104
0019  129:	48 85 db             	test   %rbx,%rbx
001c  12c:	40 0f 94 c6          	sete   %sil
0020  130:	31 c9                	xor    %ecx,%ecx
0022  132:	31 d2                	xor    %edx,%edx
0024  134:	e8 00 00 00 00       	call   139 <default_idle+0x29>	135: R_X86_64_PLT32	ftrace_likely_update-0x4
0029  139:	48 85 db             	test   %rbx,%rbx
002c  13c:	74 37                	je     175 <default_idle+0x65>
002e  13e:	ff 15 00 00 00 00    	call   *0x0(%rip)        # 144 <default_idle+0x34>	140: R_X86_64_PC32	pv_ops+0x104
0034  144:	48 8b 1d 00 00 00 00 	mov    0x0(%rip),%rbx        # 14b <default_idle+0x3b>	147: R_X86_64_PC32	pv_ops+0xf4
003b  14b:	31 f6                	xor    %esi,%esi
003d  14d:	48 c7 c7 00 00 00 00 	mov    $0x0,%rdi	150: R_X86_64_32S	_ftrace_annotated_branch+0x13e90
0044  154:	48 85 db             	test   %rbx,%rbx
0047  157:	40 0f 94 c6          	sete   %sil
004b  15b:	31 c9                	xor    %ecx,%ecx
004d  15d:	31 d2                	xor    %edx,%edx
004f  15f:	e8 00 00 00 00       	call   164 <default_idle+0x54>	160: R_X86_64_PLT32	ftrace_likely_update-0x4
0054  164:	48 85 db             	test   %rbx,%rbx
0057  167:	74 0f                	je     178 <default_idle+0x68>
0059  169:	ff 15 00 00 00 00    	call   *0x0(%rip)        # 16f <default_idle+0x5f>	16b: R_X86_64_PC32	pv_ops+0xf4
005f  16f:	48 8b 5d f8          	mov    -0x8(%rbp),%rbx
0063  173:	c9                   	leave
0064  174:	c3                   	ret
0065  175:	90                   	nop
0066  176:	0f 0b                	ud2
0068  178:	90                   	nop
0069  179:	0f 0b                	ud2
006b  17b:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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